The drone attack started a fire at the Bashneft facility in Ufa, about 1,400km from the front line.
A Ukrainian drone crashed into one of Russia’s largest oil refining complexes on Saturday, sparking a fire and causing minor damage, a Russian official said.
The complex, which belongs to Russian oil company Bashneft, lies on the outskirts of the central Russian city of Ufa around 1,400km (870 miles) from the front line in Ukraine.
